business has deteriorated dramatically in recent years, as more people choose to buy their print books online from places like amazon.com. in addition, more and more people are reading their books electronically, on devices like tablets and e-readers. borders, dalton, and other boochains have ne out of business. but that means less competition for barnes and noble: analysts think riggio may have a viable turnaround plan ready: >> he's looking at everyone who has gone out of business and he's saying to himself, if i can add three or four more categories in these big box stores, that are consistent with the book business, i've already got all the overhead. i can close a few stores. suddenly, i've doubled my profitability. i think he's got something like that inind. >> rorter: riggio joins a growing list of executives hoping to buy the struggling companiethey founded, including michael dell of dell computer, and best buy's richard schultze. erika miller, "n.b.r.," new york.